These are all 1" square x 5-3/4-6" long
from left to right is Amboyna burl (mostly sapwood), Amoboyna Burl (no sapwood), Brown Mallee burl, Red Mallee burl & Stablized Norfolk Island Pine.
$50 shipped for all. I only have one of each except for the NIP (Norfolk Island Pine it is stabilizied) I have 5 to offer